MSCBO-08
December - Examination 2017 M.Sc. (Final) Botany Examination Applied Mycology and Plant Pathology
AZwà¶w³V H$dH$ {dkmZ Ed§ nmXn amoJ {dkmZ
Paper - MSCBO-08
Time : 3 Hours ] [ Max. Marks :- 80
Note: The question paper is divided into three sections A, B and C.
Write answers as per the given instructions.
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IÊS> Ho$ {ZX}emZwgma àíZm| Ho$ CÎma Xr{OE&
Section - A 8 × 2 = 16 (Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum up to 30 words. Each question carries 2 marks.
IÊS> - "A' (A{V bKw CÎmar¶ àíZ)
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1) (i) Define obligate parasite.
A{dH$ënr naOrdr H$mo n[a^m{fV H$s{OE&
635
MSCBO-08 / 200 / 4 (1) (P.T.O.)
635
MSCBO-08 / 200 / 4 (2) (Contd.)
(ii) Name any two edible mushrooms.
{H$Ýhr Xmo ImZo ¶mo½¶ ‘eê$‘m| Ho$ Zm‘ ~VmBE&
(iii) Name any one Coprophilous fungus.
{H$gr EH$ H$moàmo{’$bg H$dH$ H$m Zm‘ ~VmBE&
(iv) Name the fungus which produces penicillin antibiotic.
Cg H$dH$ H$m Zm‘ ~VmBE Omo no{Z{g{bZ à{VO¡{dH$ CËnm{XV H$aVm h¡&
(v) What is Quarantine?
³dma§Q>mB©Z ³¶m hmoVm h¡?
(vi) Name one plant disease caused by Mycoplasma.
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(vii) Name the causal organism of green ear disease of Bajra.
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(viii) Define xenobiotics.
OrZm|~m¶mo{Q>³g H$mo n[a^m{fV H$s{OE&
Section - B 4 × 8 = 32 (Short Answer Questions)
Note: Answer any four questions. Each answer should not exceed 200 words. Each question carries 8 marks.
IÊS> - ~ (bKw CÎmar¶ àíZ)
{ZX}e : {H$Ýht Mma àíZm| Ho$ CÎma Xr{OE& Amn AnZo CÎma H$mo A{YH$V‘
200 eãXm| ‘| n[agr{‘V H$s{OE& à˶oH$ àíZ 8 A§H$m| H$m h¡&
2) Briefly describe asexual reproduction in fungi.
H$dH$m| ‘| Ab¢{JH$ OZZ H$m g§{jßV {ddaU Xr{OE&
MSCBO-08 / 200 / 4 (3) (P.T.O.) 635
3) Write a note on nutritional value of mushroom.
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4) Write about the ‘‘Proteins from fungi’’.
""H$dH$m| go àmoQ>rZg²'' Ho$ ~mao ‘| {b{IE&
5) Explain role of fungi as pollution indicator.
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6) Write a short note on Koch’s postulates.
H$moM A{^J¥hrV na EH$ bKw {Q>ßnUr {b{IE&
7) Describe symptoms of viral diseases in plants.
nmXnm| ‘§o {dfmUw O{ZV amoJm| Ho$ bjUm| H$m dU©Z H$s{OE&
8) Differentiate between smut and rust.
{H$Å> Ed§ H§$S> amoJ ‘| A§Va ñnîQ> H$s{OE&
9) Write a short note on bunchy top of banana disease.
Ho$bo Ho$ erf© - JwÀN> amoJ na EH$ g§{jßV {Q>ßnUr {b{IE&
635
MSCBO-08 / 200 / 4 (4)
Section - C 2 × 16 = 32 (Long Answer Questions)
Note: Answer any two questions. You have to delimit your each answer maximum up to 500 words. Each question carries 16 marks.
IÊS> - g (XrK© CÎmar¶ àíZ)
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10) Discuss about the importance of Mycorrhiza in agriculture and forestry.
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11) Write down the causal organism and symptoms of following diseases:
{ZåZ{b{IV amoJm| Ho$ amoJ H$maH$ Ord Ed§ bjUm| H$mo {b{IE&
(i) Leaf spot disease of Turmeric / hëXr Ho$ nU© - Yã~m amoJ
(ii) Wilt disease of cotton / H$nmg Ho$ JbZ amoJ
12) Write an essay on cultural methods to control plant diseases.
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13) Describe the symptoms, causal organism and control measures of Powdery Mildew of grapes.
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